Some ectodermal dysplasias are here classified as congenital disorders characterized by abnormal development in 2 or more ectodermal structures (hair, nails, teeth, and sweat glands) without other systemic findings. Ectodermal dysplasia of the hair/nail type is a rare ... Some ectodermal dysplasias are here classified as congenital disorders characterized by abnormal development in 2 or more ectodermal structures (hair, nails, teeth, and sweat glands) without other systemic findings. Ectodermal dysplasia of the hair/nail type is a rare congenital condition characterized by hypotrichosis and nail dystrophy without nonectodermal or other ectodermal manifestations.
Rafiq et al. (2005) reported ectodermal dysplasia of the hair/nail type in 13 members (8 males; 5 females) over 6 generations of an inbred Pakistani family. Clinical features included micronychia, resulting in highly dystrophic fingernails, anonychia of toenails, ... Rafiq et al. (2005) reported ectodermal dysplasia of the hair/nail type in 13 members (8 males; 5 females) over 6 generations of an inbred Pakistani family. Clinical features included micronychia, resulting in highly dystrophic fingernails, anonychia of toenails, thin scalp and body hair, and fine eyebrows and eyelashes.